Stock material or miscellaneous articles – Structurally defined web or sheet – Nonplanar uniform thickness material
Patent
1996-06-24
1999-06-29
Glass, Margaret W.
Stock material or miscellaneous articles
Structurally defined web or sheet
Nonplanar uniform thickness material
4283044, 36 29, 36 35B, 36153, 5652, 5654, 56555, 2425, 21611, 473523, 473549, 297199, A43B 1340, B32B 100
Patent
active
059166649
ABSTRACT:
A method for inflating cushioning devices which comprise at least first and second distinct chambers having an interconnecting passage providing fluid communication between the chambers. The method comprises either: (1) limiting the volume of at least one of the chambers, filling the chambers with a fluid at a single inflation pressure from a single inflation point and sealing the interconnecting passage, or (2) filling the chambers with a fluid at a single inflation pressure from a single inflation point compressing at least one of the distinct chambers, and sealing the interconnecting passage. The method is particularly suited to manufacture of a footwear cushion comprised of a body of elastomeric material having a plurality of sealed non-communicating cells having a single inflation point. At least two cells sharing a single sealed inflation passage are at different pressures.
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"Berlitz/Agnew Tech Tran" translation of EPO 0094868.
Taiwanese Utility Model No. 33,544, Summary of claim, Appln. No. 75, 100, 322.
Bogart Robert C.
Glass Margaret W.
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